*{
    margin: 0;
    padding: 0;
}
body{
    font-family: PingFangSC-Regular !important;
}
html{
    width: 100%;
    height: 100%;
}
button{
    margin: 0 !important;
    color: #fff !important;
    background-color: #F08200 !important
}
div{
    display: flex;
    align-items: center;
}
.row-div{
    flex-direction: row;
}
.col-div{
    flex-direction: column;
}
#root{
    width: 100%;
    height: 100%;
    background-color: rgb(250, 250, 250);
    position: absolute;
    display: block;
}
#login-root{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
#login-card{
    width: 450px;
    height: 470px;
    display: flex;
    /* justify-content: center; */
    align-items: center;
    background-color: white;
}
.login-card{
    width: 360px;
    height: 450px;
    background-color: white;
    margin: 0 auto;
    display: flex;
    /* justify-content: center; */
    align-items: center;
}
.popover{
    min-width: 300px;
    max-width: 1000px;
    border: 0;
    white-space: nowrap;
    /* overflow: hidden; */
}
.popover-body{
    flex-direction: column;
    padding: 0;
}
.popover-body>div{
    width: 100%;
    height: 35px;
    justify-content: center;
    cursor: default;
}
.popover-body>div:hover{
    background-color: #F7F7F7;
}

#vcode {
    float: right;
    width: 90px;
    height: 30px;
    line-height: 26px;
    margin-top: 8px;
    margin-right: -4px;
    background-color: #F08200;
    color: #fff;
    cursor: pointer;
    text-align: center;
    border-radius: 5px;
    padding-left: 8px;
}
#vcode:hover{
    background-color:#336;
}
.error{
    color: red;
}

.grade_info{
    width: 800px;
    height: 500px;
    background-color: #FFFFFF;
    z-index: 50;
    position: fixed;
    display: none;
    align-items: normal;
}
.mask_s{
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    display: none;
    z-index: 49;
}
.chose_grade{
    width: 800px;
    height: 50px;
    background-color: #F08200;
    padding-left: 20px;
    color: #ffffff;
    position: fixed;
}

.chose_grade img{
    width: 30px;
    height: 30px;
    display: block;
    margin-left: 640px;
    cursor: pointer;
}

.grade_data{
    width: 500px;
    height: 410px;
    margin-top: 90px;
    align-items: normal;
}
.grade_data_s:hover{
    /*border: 2px solid #B28D26;*/
    cursor:pointer;
    transform: scale(1.1);

}
.grade_data_s{
    width: 200px;
    height: 335px;
    float: left;
    margin-left: 20px;
    background-color:#F5FAFE ;
    border-radius: 20px;
    align-items: normal;
}
.course_img{
    width: 198px;
    height: 260px;
    position: absolute;
    align-items: normal;
}
.course_img img{
    width: 198px;
    height: 260px;

}
.grade_name{
    width: 256px;
    height: 100px;
    padding-left: 15px;
    line-height: 20px;
    margin-top: 275px;
    font-size: 14px;
    align-items: normal;
}
.row-div img{
    cursor: pointer;
    opacity:0.8;filter(alpha=80)
}
.row-div img:hover{
    opacity:1;filter(alpha=100)
}
.chose_grade_type{
    color: rgba(0,0,0,.26);
    font-size: 16px;
}
.student_type{
    width: 15px;
    height: 15px;
    appearance: none;
    position: relative;
    margin-left: 20px;
    margin-top: -5px;
}
.student_type:hover{
    cursor: pointer;
}
.student_type:before{
    content: '';
    width: 15px;
    height: 15px;
    border: 1px solid #7d7d7d;
    display: inline-block;
    border-radius: 50%;
    vertical-align: top;
}
.student_type:checked:before{
    content: '';
    width: 15px;
    height: 15px;
    border: 1px solid #F08200;
    background:#F08200;
    display: inline-block;
    border-radius: 50%;
    vertical-align: top;
}
.student_type:checked:after{
    content: '';
    width: 10px;
    height:5px;
    border: 2px solid white;
    border-top: transparent;
    border-right: transparent;
    text-align: center;
    display: block;
    position: absolute;
    top: 3px;
    left:3px;
    vertical-align: middle;
    transform: rotate(-45deg);
}
.student_type:checked+label{
    color: #F08200;
}
.for_radio{
    line-height: 15px;
    display: inline-block;
    margin-left: 5px;
    margin-right:15px;

}
.raise_hands_off{
    color: red;
}


